Repository navigation
Expand file tree
/
Copy pathSDL_system.h
More file actions
663 lines (583 loc) · 21.7 KB
/
Copy pathSDL_system.h
File metadata and controls
663 lines (583 loc) · 21.7 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
/*
Simple DirectMedia Layer
Copyright (C) 1997-2026 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* # CategorySystem
*
* Include file for platform specific SDL API functions
*/
#ifndef SDL_system_h_
#define SDL_system_h_
#include "SDL_stdinc.h"
#include "SDL_keyboard.h"
#include "SDL_render.h"
#include "SDL_video.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/* Platform specific functions for Windows */
#if defined(__WIN32__) || defined(__GDK__)
typedef void (SDLCALL * SDL_WindowsMessageHook)(void *userdata, void *hWnd, unsigned int message, Uint64 wParam, Sint64 lParam);
/**
* Set a callback for every Windows message, run before TranslateMessage().
*
* \param callback The SDL_WindowsMessageHook function to call.
* \param userdata a pointer to pass to every iteration of `callback`.
*
* \since This function is available since SDL 2.0.4.
*/
extern DECLSPEC void SDLCALL SDL_SetWindowsMessageHook(SDL_WindowsMessageHook callback, void *userdata);
#endif /* defined(__WIN32__) || defined(__GDK__) */
#if defined(__WIN32__) || defined(__WINGDK__)
/**
* Get the D3D9 adapter index that matches the specified display index.
*
* The returned adapter index can be passed to `IDirect3D9::CreateDevice` and
* controls on which monitor a full screen application will appear.
*
* \param displayIndex the display index for which to get the D3D9 adapter
* index.
* \returns the D3D9 adapter index on success or a negative error code on
* failure; call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.1.
*/
extern DECLSPEC int SDLCALL SDL_Direct3D9GetAdapterIndex( int displayIndex );
typedef struct IDirect3DDevice9 IDirect3DDevice9;
/**
* Get the D3D9 device associated with a renderer.
*
* Once you are done using the device, you should release it to avoid a
* resource leak.
*
* \param renderer the renderer from which to get the associated D3D device.
* \returns the D3D9 device associated with given renderer or NULL if it is
* not a D3D9 renderer; call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.1.
*/
extern DECLSPEC IDirect3DDevice9* SDLCALL SDL_RenderGetD3D9Device(SDL_Renderer * renderer);
typedef struct ID3D11Device ID3D11Device;
/**
* Get the D3D11 device associated with a renderer.
*
* Once you are done using the device, you should release it to avoid a
* resource leak.
*
* \param renderer the renderer from which to get the associated D3D11 device.
* \returns the D3D11 device associated with given renderer or NULL if it is
* not a D3D11 renderer; call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.16.
*/
extern DECLSPEC ID3D11Device* SDLCALL SDL_RenderGetD3D11Device(SDL_Renderer * renderer);
#endif /* defined(__WIN32__) || defined(__WINGDK__) */
#if defined(__WIN32__) || defined(__GDK__)
typedef struct ID3D12Device ID3D12Device;
/**
* Get the D3D12 device associated with a renderer.
*
* Once you are done using the device, you should release it to avoid a
* resource leak.
*
* \param renderer the renderer from which to get the associated D3D12 device.
* \returns the D3D12 device associated with given renderer or NULL if it is
* not a D3D12 renderer; call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.24.0.
*/
extern DECLSPEC ID3D12Device* SDLCALL SDL_RenderGetD3D12Device(SDL_Renderer* renderer);
#endif /* defined(__WIN32__) || defined(__GDK__) */
#if defined(__WIN32__) || defined(__WINGDK__)
/**
* Get the DXGI Adapter and Output indices for the specified display index.
*
* The DXGI Adapter and Output indices can be passed to `EnumAdapters` and
* `EnumOutputs` respectively to get the objects required to create a DX10 or
* DX11 device and swap chain.
*
* returns an SDL_bool.
*
* \param displayIndex the display index for which to get both indices.
* \param adapterIndex a pointer to be filled in with the adapter index.
* \param outputIndex a pointer to be filled in with the output index.
* \returns SDL_TRUE on success or SDL_FALSE on failure; call SDL_GetError()
* for more information.
*
* \since This function is available since SDL 2.0.2.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_DXGIGetOutputInfo( int displayIndex, int *adapterIndex, int *outputIndex );
#endif /* defined(__WIN32__) || defined(__WINGDK__) */
/* Platform specific functions for Linux */
#ifdef __LINUX__
/**
* Sets the UNIX nice value for a thread.
*
* This uses setpriority() if possible, and RealtimeKit if available.
*
* \param threadID the Unix thread ID to change priority of.
* \param priority The new, Unix-specific, priority value.
* \returns 0 on success, or -1 on error.
*
* \since This function is available since SDL 2.0.9.
*/
extern DECLSPEC int SDLCALL SDL_LinuxSetThreadPriority(Sint64 threadID, int priority);
/**
* Sets the priority (not nice level) and scheduling policy for a thread.
*
* This uses setpriority() if possible, and RealtimeKit if available.
*
* \param threadID The Unix thread ID to change priority of.
* \param sdlPriority The new SDL_ThreadPriority value.
* \param schedPolicy The new scheduling policy (SCHED_FIFO, SCHED_RR,
* SCHED_OTHER, etc...).
* \returns 0 on success, or -1 on error.
*
* \since This function is available since SDL 2.0.18.
*/
extern DECLSPEC int SDLCALL SDL_LinuxSetThreadPriorityAndPolicy(Sint64 threadID, int sdlPriority, int schedPolicy);
#endif /* __LINUX__ */
/* Platform specific functions for iOS */
#ifdef __IPHONEOS__
typedef void (SDLCALL *SDL_iOSAnimationCallback)(void*);
/**
* Use this function to set the animation callback on Apple iOS.
*
* The function prototype for `callback` is:
*
* ```c
* void callback(void* callbackParam);
* ```
*
* Where its parameter, `callbackParam`, is what was passed as `callbackParam`
* to SDL_iPhoneSetAnimationCallback().
*
* This function is only available on Apple iOS.
*
* For more information see:
* https://github.com/libsdl-org/SDL/blob/main/docs/README-ios.md
*
* This functions is also accessible using the macro
* SDL_iOSSetAnimationCallback() since SDL 2.0.4.
*
* \param window the window for which the animation callback should be set.
* \param interval the number of frames after which **callback** will be
* called.
* \param callback the function to call for every frame.
* \param callbackParam a pointer that is passed to `callback`.
* \returns 0 on success or a negative error code on failure; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_iPhoneSetEventPump
*/
extern DECLSPEC int SDLCALL SDL_iPhoneSetAnimationCallback(SDL_Window * window, int interval, SDL_iOSAnimationCallback callback, void *callbackParam);
#define SDL_iOSSetAnimationCallback(window, interval, callback, callbackParam) SDL_iPhoneSetAnimationCallback(window, interval, callback, callbackParam)
/**
* Use this function to enable or disable the SDL event pump on Apple iOS.
*
* This function is only available on Apple iOS.
*
* This functions is also accessible using the macro SDL_iOSSetEventPump()
* since SDL 2.0.4.
*
* \param enabled SDL_TRUE to enable the event pump, SDL_FALSE to disable it.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_iPhoneSetAnimationCallback
*/
extern DECLSPEC void SDLCALL SDL_iPhoneSetEventPump(SDL_bool enabled);
#define SDL_iOSSetEventPump(enabled) SDL_iPhoneSetEventPump(enabled)
/* end of iOS-specific functions. */
#endif /* __IPHONEOS__ */
/* Platform specific functions for Android */
#ifdef __ANDROID__
/**
* Get the Android Java Native Interface Environment of the current thread.
*
* This is the JNIEnv one needs to access the Java virtual machine from native
* code, and is needed for many Android APIs to be usable from C.
*
* The prototype of the function in SDL's code actually declare a void* return
* type, even if the implementation returns a pointer to a JNIEnv. The
* rationale being that the SDL headers can avoid including jni.h.
*
* \returns a pointer to Java native interface object (JNIEnv) to which the
* current thread is attached, or 0 on error.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_AndroidGetActivity
*/
extern DECLSPEC void * SDLCALL SDL_AndroidGetJNIEnv(void);
/**
* Retrieve the Java instance of the Android activity class.
*
* The prototype of the function in SDL's code actually declares a void*
* return type, even if the implementation returns a jobject. The rationale
* being that the SDL headers can avoid including jni.h.
*
* The jobject returned by the function is a local reference and must be
* released by the caller. See the PushLocalFrame() and PopLocalFrame() or
* DeleteLocalRef() functions of the Java native interface:
*
* https://docs.oracle.com/javase/1.5.0/docs/guide/jni/spec/functions.html
*
* \returns the jobject representing the instance of the Activity class of the
* Android application, or NULL on error.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_AndroidGetJNIEnv
*/
extern DECLSPEC void * SDLCALL SDL_AndroidGetActivity(void);
/**
* Query Android API level of the current device.
*
* - API level 31: Android 12
* - API level 30: Android 11
* - API level 29: Android 10
* - API level 28: Android 9
* - API level 27: Android 8.1
* - API level 26: Android 8.0
* - API level 25: Android 7.1
* - API level 24: Android 7.0
* - API level 23: Android 6.0
* - API level 22: Android 5.1
* - API level 21: Android 5.0
* - API level 20: Android 4.4W
* - API level 19: Android 4.4
* - API level 18: Android 4.3
* - API level 17: Android 4.2
* - API level 16: Android 4.1
* - API level 15: Android 4.0.3
* - API level 14: Android 4.0
* - API level 13: Android 3.2
* - API level 12: Android 3.1
* - API level 11: Android 3.0
* - API level 10: Android 2.3.3
*
* \returns the Android API level.
*
* \since This function is available since SDL 2.0.12.
*/
extern DECLSPEC int SDLCALL SDL_GetAndroidSDKVersion(void);
/**
* Query if the application is running on Android TV.
*
* \returns SDL_TRUE if this is Android TV, SDL_FALSE otherwise.
*
* \since This function is available since SDL 2.0.8.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_IsAndroidTV(void);
/**
* Query if the application is running on a Chromebook.
*
* \returns SDL_TRUE if this is a Chromebook, SDL_FALSE otherwise.
*
* \since This function is available since SDL 2.0.9.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_IsChromebook(void);
/**
* Query if the application is running on a Samsung DeX docking station.
*
* \returns SDL_TRUE if this is a DeX docking station, SDL_FALSE otherwise.
*
* \since This function is available since SDL 2.0.9.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_IsDeXMode(void);
/**
* Trigger the Android system back button behavior.
*
* \since This function is available since SDL 2.0.9.
*/
extern DECLSPEC void SDLCALL SDL_AndroidBackButton(void);
/**
* See the official Android developer guide for more information:
* http://developer.android.com/guide/topics/data/data-storage.html
*/
#define SDL_ANDROID_EXTERNAL_STORAGE_READ 0x01
#define SDL_ANDROID_EXTERNAL_STORAGE_WRITE 0x02
/**
* Get the path used for internal storage for this application.
*
* This path is unique to your application and cannot be written to by other
* applications.
*
* Your internal storage path is typically:
* `/data/data/your.app.package/files`.
*
* \returns the path used for internal storage or NULL on failure; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_AndroidGetExternalStorageState
*/
extern DECLSPEC const char * SDLCALL SDL_AndroidGetInternalStoragePath(void);
/**
* Get the current state of external storage.
*
* The current state of external storage, a bitmask of these values:
* `SDL_ANDROID_EXTERNAL_STORAGE_READ`, `SDL_ANDROID_EXTERNAL_STORAGE_WRITE`.
*
* If external storage is currently unavailable, this will return 0.
*
* \returns the current state of external storage on success or 0 on failure;
*
8000
call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_AndroidGetExternalStoragePath
*/
extern DECLSPEC int SDLCALL SDL_AndroidGetExternalStorageState(void);
/**
* Get the path used for external storage for this application.
*
* This path is unique to your application, but is public and can be written
* to by other applications.
*
* Your external storage path is typically:
* `/storage/sdcard0/Android/data/your.app.package/files`.
*
* \returns the path used for external storage for this application on success
* or NULL on failure; call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_AndroidGetExternalStorageState
*/
extern DECLSPEC const char * SDLCALL SDL_AndroidGetExternalStoragePath(void);
/**
* Request permissions at runtime.
*
* This blocks the calling thread until the permission is granted or denied.
*
* \param permission The permission to request.
* \returns SDL_TRUE if the permission was granted, SDL_FALSE otherwise.
*
* \since This function is available since SDL 2.0.14.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_AndroidRequestPermission(const char *permission);
/**
* Shows an Android toast notification.
*
* Toasts are a sort of lightweight notification that are unique to Android.
*
* https://developer.android.com/guide/topics/ui/notifiers/toasts
*
* Shows toast in UI thread.
*
* For the `gravity` parameter, choose a value from here, or -1 if you don't
* have a preference:
*
* https://developer.android.com/reference/android/view/Gravity
*
* \param message text message to be shown.
* \param duration 0=short, 1=long.
* \param gravity where the notification should appear on the screen.
* \param xoffset set this parameter only when gravity >=0.
* \param yoffset set this parameter only when gravity >=0.
* \returns 0 if success, -1 if any error occurs.
*
* \since This function is available since SDL 2.0.16.
*/
extern DECLSPEC int SDLCALL SDL_AndroidShowToast(const char* message, int duration, int gravity, int xoffset, int yoffset);
/**
* Send a user command to SDLActivity.
*
* Override "boolean onUnhandledMessage(Message msg)" to handle the message.
*
* \param command user command that must be greater or equal to 0x8000.
* \param param user parameter.
* \returns 0 on success, otherwise -1.
*
* \since This function is available since SDL 2.0.22.
*/
extern DECLSPEC int SDLCALL SDL_AndroidSendMessage(Uint32 command, int param);
#endif /* __ANDROID__ */
/* Platform specific functions for WinRT */
#ifdef __WINRT__
/**
* WinRT / Windows Phone path types
*/
typedef enum SDL_WinRT_Path
{
/** \brief The installed app's root directory.
Files here are likely to be read-only. */
SDL_WINRT_PATH_INSTALLED_LOCATION,
/** \brief The app's local data store. Files may be written here */
SDL_WINRT_PATH_LOCAL_FOLDER,
/** \brief The app's roaming data store. Unsupported on Windows Phone.
Files written here may be copied to other machines via a network
connection.
*/
SDL_WINRT_PATH_ROAMING_FOLDER,
/** \brief The app's temporary data store. Unsupported on Windows Phone.
Files written here may be deleted at any time. */
SDL_WINRT_PATH_TEMP_FOLDER
} SDL_WinRT_Path;
/**
* WinRT Device Family
*/
typedef enum SDL_WinRT_DeviceFamily
{
/** \brief Unknown family */
SDL_WINRT_DEVICEFAMILY_UNKNOWN,
/** \brief Desktop family*/
SDL_WINRT_DEVICEFAMILY_DESKTOP,
/** \brief Mobile family (for example smartphone) */
SDL_WINRT_DEVICEFAMILY_MOBILE,
/** \brief XBox family */
SDL_WINRT_DEVICEFAMILY_XBOX,
} SDL_WinRT_DeviceFamily;
/**
* Retrieve a WinRT defined path on the local file system.
*
* Not all paths are available on all versions of Windows. This is especially
* true on Windows Phone. Check the documentation for the given SDL_WinRT_Path
* for more information on which path types are supported where.
*
* Documentation on most app-specific path types on WinRT can be found on
* MSDN, at the URL:
*
* https://msdn.microsoft.com/en-us/library/windows/apps/hh464917.aspx
*
* \param pathType the type of path to retrieve, one of SDL_WinRT_Path.
* \returns a UCS-2 string (16-bit, wide-char) containing the path, or NULL if
* the path is not available for any reason; call SDL_GetError() for
* more information.
*
* \since This function is available since SDL 2.0.3.
*
* \sa SDL_WinRTGetFSPathUTF8
*/
extern DECLSPEC const wchar_t * SDLCALL SDL_WinRTGetFSPathUNICODE(SDL_WinRT_Path pathType);
/**
* Retrieve a WinRT defined path on the local file system.
*
* Not all paths are available on all versions of Windows. This is especially
* true on Windows Phone. Check the documentation for the given SDL_WinRT_Path
* for more information on which path types are supported where.
*
* Documentation on most app-specific path types on WinRT can be found on
* MSDN, at the URL:
*
* https://msdn.microsoft.com/en-us/library/windows/apps/hh464917.aspx
*
* \param pathType the type of path to retrieve, one of SDL_WinRT_Path.
* \returns a UTF-8 string (8-bit, multi-byte) containing the path, or NULL if
* the path is not available for any reason; call SDL_GetError() for
* more information.
*
* \since This function is available since SDL 2.0.3.
*
* \sa SDL_WinRTGetFSPathUNICODE
*/
extern DECLSPEC const char * SDLCALL SDL_WinRTGetFSPathUTF8(SDL_WinRT_Path pathType);
/**
* Detects the device family of WinRT platform at runtime.
*
* \returns a value from the SDL_WinRT_DeviceFamily enum.
*
* \since This function is available since SDL 2.0.8.
*/
extern DECLSPEC SDL_WinRT_DeviceFamily SDLCALL SDL_WinRTGetDeviceFamily();
/**
* Get the protocol activation URI if the app was launched via protocol
* activation.
*
* When a UWP/WinRT app is launched via a custom URI scheme (e.g.,
* myapp://action?param=value), this function retrieves the full activation
* URI string.
*
* The URI is only available once per activation - after the first successful
* call, subsequent calls will return NULL. This ensures the URI is processed
* only once.
*
* \returns the protocol activation URI as a UTF-8 string that must be freed
* with SDL_free(), or NULL if the app was not activated via protocol
* or the URI was already retrieved.
*
* \since This function is available since SDL 2.33.0.
*/
extern DECLSPEC char * SDLCALL SDL_WinRTGetProtocolActivationURI(void);
#endif /* __WINRT__ */
/**
* Query if the current device is a tablet.
*
* If SDL can't determine this, it will return SDL_FALSE.
*
* \returns SDL_TRUE if the device is a tablet, SDL_FALSE otherwise.
*
* \since This function is available since SDL 2.0.9.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_IsTablet(void);
/* Functions used by iOS application delegates to notify SDL about state changes */
extern DECLSPEC void SDLCALL SDL_OnApplicationWillTerminate(void);
extern DECLSPEC void SDLCALL SDL_OnApplicationDidReceiveMemoryWarning(void);
extern DECLSPEC void SDLCALL SDL_OnApplicationWillResignActive(void);
extern DECLSPEC void SDLCALL SDL_OnApplicationDidEnterBackground(void);
extern DECLSPEC void SDLCALL SDL_OnApplicationWillEnterForeground(void);
extern DECLSPEC void SDLCALL SDL_OnApplicationDidBecomeActive(void);
#ifdef __IPHONEOS__
extern DECLSPEC void SDLCALL SDL_OnApplicationDidChangeStatusBarOrientation(void);
#endif
/* Functions used only by GDK */
#if defined(__GDK__)
typedef struct XTaskQueueObject *XTaskQueueHandle;
typedef struct XUser *XUserHandle;
/**
* Gets a reference to the global async task queue handle for GDK,
* initializing if needed.
*
* Once you are done with the task queue, you should call
* XTaskQueueCloseHandle to reduce the reference count to avoid a resource
* leak.
*
* \param outTaskQueue a pointer to be filled in with task queue handle.
* \returns 0 if success, -1 if any error occurs.
*
* \since This function is available since SDL 2.24.0.
*/
extern DECLSPEC int SDLCALL SDL_GDKGetTaskQueue(XTaskQueueHandle * outTaskQueue);
/**
* Gets a reference to the default user handle for GDK.
*
* This is effectively a synchronous version of XUserAddAsync, which always
* prefers the default user and allows a sign-in UI.
*
* \param outUserHandle a pointer to be filled in with the default user
* handle.
* \returns 0 if success, -1 if any error occurs.
*
* \since This function is available since SDL 2.28.0.
*/
extern DECLSPEC int SDLCALL SDL_GDKGetDefaultUser(XUserHandle * outUserHandle);
#endif
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_system_h_ */
/* vi: set ts=4 sw=4 expandtab: */